CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	3 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Operating activities:
Net income	$ 19.2	$ 14.6
Depreciation and amortization	32.1	31.0
Stock-based compensation expense	6.5	5.3
Deferred income taxes	8.4	(1.6)
Gain on sale of assets	(0.3)	(5.7)
Foreign currency transaction (gains) losses	0.4	(4.1)
Other non-cash adjustments	0.8	0.9
Changes in operating assets and liabilities	16.7	32.8
Net cash provided by operating activities	83.8	73.2
Investing activities:
Additions to property, plant and equipment	(14.2)	(21.3)
Additions to equipment held for rental	(12.9)	(15.0)
Proceeds from sale of equipment held for rental	5.3	18.7
Other investing activities	(0.2)	(0.6)
Net cash provided (used) by investing activities	(22.0)	(18.2)
Financing activities:
Proceeds from issuance of debt (original maturities greater than three months)	0.0	153.6
Repayments of debt (original maturities greater than three months)	(20.0)	(135.0)
Net increase in short-term debt	0.0	28.2
Repurchases of Common Stock	(3.0)	(101.5)
Dividends paid	(15.6)	(14.1)
Proceeds from exercise of stock options	26.2	1.4
Excess tax benefit from stock-based compensation	0.0	0.8
Net cash used by financing activities	(12.4)	(66.6)
Effect of exchange rate changes on cash	(1.7)	2.4
Increase (decrease) in cash and cash equivalents	47.7	(9.2)
Cash and cash equivalents at beginning of period	321.9	42.9
Cash and cash equivalents at end of period	369.6	33.7
Supplemental disclosures:
Cash paid for interest	6.6	6.0
Cash paid for income taxes	$ 22.5	$ 26.5